無法在OSX Sierra中安裝指南針

當我嘗試在OSX Sierra中安裝指南針時出現錯誤，並且我已經在SOF中執行了很多解決方案，例如更新gem，安裝x-code，apt-get install ruby -dev，它們都是無用的，我做了什麼？無法在OSX Sierra中安裝指南針

ERROR: Error installing compass: 
    ERROR: Failed to build gem native extension. 

    current directory: /Library/Ruby/Gems/2.0.0/gems/ffi-1.9.18/ext/ffi_c 
/System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/bin/ruby -r ./siteconf20170530-14544-14bohbz.rb extconf.rb 
checking for ffi.h... *** extconf.rb failed *** 
Could not create Makefile due to some reason, probably lack of necessary 
libraries and/or headers. Check the mkmf.log file for more details. You may 
need configuration options. 

Provided configuration options: 
    --with-opt-dir 
    --without-opt-dir 
    --with-opt-include 
    --without-opt-include=${opt-dir}/include 
    --with-opt-lib 
    --without-opt-lib=${opt-dir}/lib 
    --with-make-prog 
    --without-make-prog 
    --srcdir=. 
    --curdir 
    --ruby=/System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/bin/ruby 
    --with-ffi_c-dir 
    --without-ffi_c-dir 
    --with-ffi_c-include 
    --without-ffi_c-include=${ffi_c-dir}/include 
    --with-ffi_c-lib 
    --without-ffi_c-lib=${ffi_c-dir}/ 
    --with-libffi-config 
    --without-libffi-config 
    --with-pkg-config 
    --without-pkg-config 
/System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/mkmf.rb:434:in `try_do': The compiler failed to generate an executable file. (RuntimeError) 
You have to install development tools first. 
    from /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/mkmf.rb:549:in `block in try_compile' 
    from /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/mkmf.rb:502:in `with_werror' 
    from /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/mkmf.rb:549:in `try_compile' 
    from /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/mkmf.rb:1038:in `block in have_header' 
    from /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/mkmf.rb:889:in `block in checking_for' 
    from /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/mkmf.rb:340:in `block (2 levels) in postpone' 
    from /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/mkmf.rb:310:in `open' 
    from /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/mkmf.rb:340:in `block in postpone' 
    from /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/mkmf.rb:310:in `open' 
    from /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/mkmf.rb:336:in `postpone' 
    from /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/mkmf.rb:888:in `checking_for' 
    from /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/mkmf.rb:1037:in `have_header' 
    from extconf.rb:16:in `<main>' 

To see why this extension failed to compile, please check the mkmf.log which can be found here: 

    /Library/Ruby/Gems/2.0.0/extensions/universal-darwin-16/2.0.0/ffi-1.9.18/mkmf.log 

extconf failed, exit code 1 

Gem files will remain installed in /Library/Ruby/Gems/2.0.0/gems/ffi-1.9.18 for inspection. 
Results logged to /Library/Ruby/Gems/2.0.0/extensions/universal-darwin-16/2.0.0/ffi-1.9.18/gem_make.out

來源

2017-05-30 wangjue

wangjuedeMacBook-PRO：〜wangjue $ sudo易於得到安裝ruby2.0-dev的建立必要的密碼：須藤：apt-get的：命令未找到 – wangjue

我嘗試這和它的作品對我來說

 
sudo gcc 

sudo gem install -n /usr/local/bin compass

來源

2017-10-05 03:50:49 dwisign

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無法在OSX Sierra中安裝指南針

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